better dry

lib/views/graph.erb

@@ -1,6 +1,9 @@
 <%= @full_list.to_json %>
 
 <hr>
+<h2>
+  <%= @full_list.last %>
+</h2>
 
 <%# need list of Head/branch
 for each commit see if it has a HEAD if so, put branch name else none

lib/web_git.rb

@@ -3,6 +3,7 @@
 
 module WebGit
   require "web_git/diff"
+  require "web_git/graph"
   require "web_git/string"
   require "sinatra"
   require "date"
@@ -37,16 +38,12 @@ class Server < Sinatra::Base
         branch = { branch: branch_name }
         p g.checkout(branch_name)
         list = []
-        # g.branch.name
-        # p "—————————"
+
         g.log.sort_by(&:date).each do |log|
           commit = log.sha.slice(0..7)
           list.push commit
         end
-        # p g.branch.name
-        # p "-----"
-        # p list
-        # list.join("<br>")
+
         p "—————————"
         p branch
         branch[:log] = list
@@ -73,6 +70,8 @@ class Server < Sinatra::Base
       full_list.push list
       # full_list.to_json
       @full_list = full_list
+      # graph = WebGit::Graph.new(g)
+      # @full_list = graph.to_json
       # mmm = []
       # full_list.last.each do |commit|
       #   mmm.push commit + " — " + g.gcommit(commit).message

lib/web_git/graph.rb

@@ -0,0 +1,72 @@
+module WebGit
+  require "git"
+  class Graph
+    def initialize(git)
+      @git = git
+      @full_list = []
+    end
+
+    def to_json
+
+      had_changes = has_untracked_changes?
+      if had_changes
+        temporarily_stash_changes
+      end
+
+      list = draw_graph
+
+      if had_changes
+        stash_pop
+      end
+
+      @full_list.push list
+    end
+
+
+    def has_untracked_changes?
+      @git.diff.size > 0
+    end
+
+    def temporarily_stash_changes
+      @git.add(all: true)
+      stash_count = Git::Stashes.new(@git).count
+      Git::Stash.new(@git, "Temporary Stash #{stash_count}")
+    end
+
+    def stash_pop
+      stashes = Git::Stashes.new(@git)
+      stashes.apply(0)
+    end
+
+    def draw_graph
+      branches = @git.branches.local.map(&:name)
+      branches.each do |branch_name|
+        branch = { branch: branch_name }
+        list = []
+        @git.log.sort_by(&:date).each do |log|
+          commit = log.sha.slice(0..7)
+          list.push commit
+        end
+
+        branch[:log] = list
+        branch[:head] = list.last
+        @full_list.push branch
+      end
+      lists = @full_list.map{|l| l[:log] }
+      combined_branch = { branch: "ALL", head: "_" }
+      @full_list.push combined_branch
+      # combined_branch = { branch: "ALL", head: "_" }
+      list = []
+      (lists.count - 1).times do |i|
+        log_hash = lists[i]
+
+        list = list | log_hash
+      end
+      # combined_branch[:log] = list
+      # @full_list.push combined_branch
+      # @full_list.push list
+      list
+    end
+
+  end
+end